Paint 23, Latex Primer for Steel Surfaces
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This standard covers performance requirements for an air drying, ready-mixed, latex primer for blast cleaned steel. It is intended for use as the prime coat of a coating system consisting of one or two coats of this primer and one or two coats of a compatible topcoat. This primer is suitable for exposures in SSPC Environmental Zones 1A (interior, normally dry) and 1B (exterior, normally dry), and is intended for brush, spray, or roller application over steel surfaces with a minimum surface cleanliness of SSPC-SP 6.